Des Moines, IA 14-Day Forecast
Iowa, United States 🇺🇸
62°
Light rain shower right now
Today: high 72°, low 61°
Updated just now
Des Moines weather for the next 14 days
Wednesday, September 16
Patchy rain nearby High 69° Low 61°Precipitation
81%
· 0.11 in
Max wind
11 mph
Humidity
88%
UV index
6 - Moderate
Sunrise / sunset
06:55 AM / 07:22 PM
Thursday, September 17
Fog High 78° Low 68°Precipitation
90%
· 0.32 in
Max wind
9 mph
Humidity
93%
UV index
4 - Moderate
Sunrise / sunset
06:56 AM / 07:21 PM
Friday, September 18
Sunny High 88° Low 68°Precipitation
77%
· 0.48 in
Max wind
14 mph
Humidity
80%
UV index
6 - High
Sunrise / sunset
06:57 AM / 07:19 PM
Saturday, September 19
Light rain shower High 83° Low 71°Precipitation
87%
· 0.42 in
Max wind
10 mph
Humidity
85%
UV index
5 - Moderate
Sunrise / sunset
06:58 AM / 07:17 PM
Sunday, September 20
Light rain shower High 72° Low 63°Precipitation
92%
· 0.3 in
Max wind
9 mph
Humidity
96%
UV index
5 - Moderate
Sunrise / sunset
06:59 AM / 07:15 PM
Monday, September 21
Cloudy High 72° Low 61°Precipitation
49%
· 0.02 in
Max wind
13 mph
Humidity
84%
UV index
6 - High
Sunrise / sunset
07:00 AM / 07:14 PM
Tuesday, September 22
Sunny High 78° Low 62°Precipitation
57%
· 0.06 in
Max wind
9 mph
Humidity
78%
UV index
7 - High
Sunrise / sunset
07:02 AM / 07:12 PM
Wednesday, September 23
Light rain shower High 81° Low 65°Precipitation
90%
· 1.65 in
Max wind
15 mph
Humidity
88%
UV index
6 - High
Sunrise / sunset
07:03 AM / 07:10 PM
Thursday, September 24
Patchy rain nearby High 66° Low 59°Precipitation
84%
· 0.12 in
Max wind
13 mph
Humidity
91%
UV index
4 - Moderate
Sunrise / sunset
07:04 AM / 07:08 PM
Friday, September 25
Sunny High 70° Low 59°Precipitation
17%
· 0.0 in
Max wind
12 mph
Humidity
78%
UV index
6 - High
Sunrise / sunset
07:05 AM / 07:07 PM
Saturday, September 26
Sunny High 63° Low 53°Precipitation
15%
· 0.0 in
Max wind
17 mph
Humidity
77%
UV index
5 - Moderate
Sunrise / sunset
07:06 AM / 07:05 PM
Sunday, September 27
Sunny High 60° Low 46°Precipitation
5%
· 0.0 in
Max wind
8 mph
Humidity
65%
UV index
5 - Moderate
Sunrise / sunset
07:07 AM / 07:03 PM
Monday, September 28
Sunny High 61° Low 46°Precipitation
5%
· 0.0 in
Max wind
9 mph
Humidity
66%
UV index
5 - Moderate
Sunrise / sunset
07:08 AM / 07:01 PM
Des Moines 14-day outlook: the story
The warmest day of Des Moines's 14-day outlook is Friday, September 18 with a high near 88°F (31°C); the coolest night comes Sunday, September 27, dipping to 46°F (8°C). The trend points cooler: week two runs about 8°F below week one. Highs over the next two weeks average 76°F (25°C), right in line with the typical September high of 78°F (26°C).
Precipitation is most likely on Tuesday 15, Wednesday 16, Thursday 17, Friday 18 and beyond; the wettest day looks like Wednesday, September 23 with about 1.65 in (41.9 mm) expected. For the weekend, expect Saturday 83°F (28°C) and light rain shower / Sunday 72°F (22°C) and light rain shower.
For typical conditions month by month, see the Des Moines climate & average temperatures guide.
Des Moines forecast questions
Will it rain in Des Moines this week?
The forecast currently shows meaningful precipitation chances on 9 of the next 14 days, peaking around Wednesday, September 23.
What will be the warmest day in Des Moines over the next 14 days?
Friday, September 18, with a forecast high near 88°F (31°C).
How accurate is a 14-day forecast for Des Moines?
Days 1-3 are highly reliable, days 4-7 capture the overall pattern well, and days 8-14 indicate trends rather than exact figures - check back as the date approaches; this page refreshes throughout the day.
Average temperatures in Des Moines by month
| Month | High | Low | Rain days | Precipitation | Sunshine | Humidity |
|---|---|---|---|---|---|---|
| January | 31° | 15° | 7 | 1.6 in | 5.8 h/day | 75% |
| February | 36° | 17° | 6 | 1.3 in | 7.8 h/day | 68% |
| March | 50° | 31° | 8 | 2.8 in | 7.9 h/day | 66% |
| April | 60° | 41° | 10 | 3.5 in | 9.0 h/day | 63% |
| May | 72° | 53° | 14 | 5.3 in | 9.9 h/day | 69% |
| June | 83° | 65° | 11 | 4.6 in | 12.3 h/day | 67% |
| July | 85° | 68° | 9 | 3.9 in | 12.7 h/day | 71% |
| August | 83° | 66° | 10 | 3.5 in | 11.3 h/day | 71% |
| September | 78° | 61° | 8 | 3.4 in | 10.3 h/day | 68% |
| October | 64° | 47° | 8 | 3.6 in | 8.2 h/day | 64% |
| November | 49° | 33° | 7 | 2.1 in | 6.9 h/day | 68% |
| December | 39° | 24° | 6 | 1.9 in | 5.9 h/day | 70% |
14-day forecasts nearby